ryusenka.com - robtex.com
ryusenka.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.227.101.128🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | ryusenka.com | ||||||
| NS | ns3.sphere.ad.jp ⭐ | ||||||
| A | 202.239.113.22🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns3.sphere.ad.jp | ||||||
| NS | ns4.sphere.ad.jp | ||||||
| A | 202.239.113.30🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns4.sphere.ad.jp | ||||||
| MX | ryusenka.com ⭐ | ||||||
| A | 140.227.101.128🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | ryusenka.com | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:140.227.100.2/32 +ip4:140.227.101.128/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034184 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778452501 | ||||||
PTR for
MX for
ryusenka.com |
Same first word
ryusenka.com |
Similar names
arsenyuk.ru |
senryaku.info |
rynekusa.com |
senryaku.net |
neurasky.com |
senryaku.gr.jp |
senryaku.com |
senryaku.biz |
raynesuk.com |
senryaku.jp |
senryaku.tv |
senryaku.org |
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2018-11-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:44:28
●NSns4.sphere.ad.jp2018-11-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:44:28
●MXryusenka.com2018-11-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:44:28
●A140.227.101.1282018-11-01 → 2026-05-10 · 2 obs
● 2026-05-10 22:44:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| ryusenka.com | ns3.sphere.ad.jp, ns4.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.22
NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ryusenka.com (unsigned zone)
⏱️ Timing
Total: 1485ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.227.101.128 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | ryusenka.com (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:140.227 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
ryusenka.com serves as a mail server for ryusenka.com.
IP Addresses
ryusenka.com points to a single IP: 140.227.101.128.
Name Servers
Two name servers ns3.sphere.ad.jp and ns4.sphere.ad.jp handle delegation for ryusenka.com.
ryusenka.com uses the same name server setup as other domains, for example dc36.test2.etius.jp, neox.jp, goshimagumi.co.jp, sumikogyo.co.jp and kowagomu.co.jp.
ryusenka.com partially shares name servers with other domains, such as kenchiku-cpd.jp and jstp.or.jp.
Host names with one IP number: The host name ns3.sphere.ad.jp points to 202.239.113.22 and the host name ns4.sphere.ad.jp points to 202.239.113.30.
Mail Servers
ryusenka.com is handled by a single mail server, ryusenka.com.
ryusenka.com points to a single IP: 140.227.101.128.